10434-43-2 2(5H)-Thiophenone, 3-acetyl-5-((3,4-dichlorophenyl)methylene)-4-hydroxy- (9CI) 2(5H)-Thiophenone, 3-acetyl-5-(3,4-dichlorobenzylidene)-4-hydroxy- 3-Acetyl-5-(3,4-dichlorobenzylidene)-2,5-dihydro-4-hydroxy-2-oxothiophen 3-Acetyl-5-(3,4-dichlorobenzylidene)-4-hydroxy-2(5H)-thiophenone BRN 1253604